How should you service and repair the muffler to ensure safety and proper installation on Mercury Mountaineer?

In order to fix the muffler, the exhaust system must have cooled down. Apply isolator lubricants and new fasteners by using water-based lubricants. Start with the car on neutral on a hoist, hold up the exhaust and take out the old muffler assembly. Install the new assembly and make it right.

How to service and repair the muffler on Mercury Mountaineer?

To service the muffler, make sure that the vehicle is in neutral position on a hoist. Lift up the exhaust system and cut the muffler inlet pipe. Disassemble the muffler assembly attaching clamps and isolators. Installation To install the new assembly, connect the new assembly, clean up, and screw together to required torque. Check exhaust alignment.

OEM Mercury Mountaineer Muffler

Exhaust Muffler

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13 Mufflers found

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Mercury Mountaineer Muffler & Pipe, Rear Part Number: 7L2Z-5230-A
$266.34 MSRP: $365.42
You Save: $99.08 (28%)
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Product Specifications
- Other Name: Muffler And Pipe Assembly - Rear; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler
- Position: Rear
- Replaces: 6L2Z-5230-AK
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L GAS, 8 Cyl 4.6 L GAS
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Mercury Mountaineer Muffler Bracket, Front Passenger Side Part Number: YL2Z-5230-BA
$584.30 MSRP: $768.36
You Save: $184.06 (24%)
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Product Specifications
- Other Name: Muffler Assembly - Centre And Rear; Exhaust Muffler Bracket; Exhaust Muffler; Exhaust Bracket; Muffler
- Position: Front Passenger Side
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Muffler & Pipe, Rear Part Number: 7L2Z-5230-B
Product Specifications
- Other Name: Muffler And Pipe Assembly - Rear; Direct-Fit Exhaust System Kit.; Muffler
- Position: Rear
- Replaces: 6L2Z-5230-BJ
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2006-2010 Mercury Mountaineer | Luxury, Premier | 8 Cyl 4.6 L GAS
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Mercury Mountaineer Muffler Bracket, Rear Part Number: YL2Z-5230-AB
Product Specifications
- Other Name: Muffler Assembly - Centre; Exhaust Muffler Bracket; Exhaust Muffler; Exhaust Bracket; Muffler
- Manufacturer Note: Muffler asy. - 102" WB - From 11/08/99 (single inlet)
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
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Mercury Mountaineer Muffler Bracket, Rear Part Number: F77Z-5230-BJ
Product Specifications
- Other Name: Muffler Assembly - Centre; Exhaust Muffler Bracket; Exhaust Muffler; Exhaust Bracket; Muffler
- Manufacturer Note: Muffler asy. - 112" WB - Before 11/22/99 (dual inlet)
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Muffler Bracket, Rear Part Number: F77Z-5230-AJ
Product Specifications
- Other Name: Muffler Assembly - Centre; Exhaust Muffler Bracket; Exhaust Muffler; Exhaust Bracket; Muffler
- Manufacturer Note: Muffler asy. - 102" WB - Before 11/08/99 (dual inlet)
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Muffler & Pipe, Rear Part Number: F67Z-5230-ASA
Product Specifications
- Other Name: Muffler And Pipe Assembly; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler
- Manufacturer Note: Muffler asy. - single flange to attach the double pipes of the 5F250 rear converter to the muffler - "BEFORE 01/28/98"
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS, 8 Cyl 5.0 L GAS
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Mercury Mountaineer Muffler, Rear Part Number: 1L5Z-5230-AE
Product Specifications
- Other Name: Muffler Assembly - Centre; Exhaust Muffler; Muffler Assembly - Centre And Rear
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
View related parts
Mercury Mountaineer Muffler, Rear Part Number: 1L2Z-5230-BA
Product Specifications
- Other Name: Muffler Assembly - Centre; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Muffler Assembly - Centre And Rear
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2001 Mercury Mountaineer | Base | 6 Cyl 4.0 L GAS
View related parts
Mercury Mountaineer Muffler & Pipe, Rear Part Number: 4L2Z-5230-AB
Product Specifications
- Other Name: Muffler And Pipe Assembly; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler; Muffler And Pipe Assembly - Rear
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2004-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
View related parts
Mercury Mountaineer Muffler & Pipe, Rear Part Number: 1L2Z-5230-BB
Product Specifications
- Other Name: Muffler And Pipe Assembly; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler; Muffler And Pipe Assembly - Rear
- Manufacturer Note: Muffler asy.
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2005 Mercury Mountaineer | Base, Convenience, Luxury, Premier | 8 Cyl 4.6 L GAS
View related parts
Mercury Mountaineer Muffler, Rear Part Number: 1L2Z-5230-AB
Product Specifications
- Other Name: Muffler And Pipe Assembly - Rear; Exhaust Muffler; Exhaust Pipe
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercury Mountaineer | Base, Premier | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS
View related parts
Mercury Mountaineer Muffler & Pipe, Rear Part Number: 1L2Z-5230-AA
Product Specifications
- Other Name: Muffler And Pipe Assembly; Exhaust Muffler; Direct-Fit Exhaust; Exhaust System Kit; Exhaust Pipe; Muffler; Muffler And Pipe Assembly - Rear
- Manufacturer Note: Muffler asy.
- Position: Rear
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2002-2003 Mercury Mountaineer | Base | 6 Cyl 4.0 L FLEX, 6 Cyl 4.0 L GAS

Mercury Mountaineer Muffler

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Mercury Mountaineer Muffler Parts and Q&A

Muffler & Pipe, Rear
7L2Z-5230-B
Q: How should you service and repair the muffler to ensure safety and proper installation on Mercury Mountaineer?
A: In order to fix the muffler, the exhaust system must have cooled down. Apply isolator lubricants and new fasteners by using water-based lubricants. Start with the car on neutral on a hoist, hold up the exhaust and take out the old muffler assembly. Install the new assembly and make it right.
Muffler & Pipe, Rear
7L2Z-5230-A
Q: How to service and repair the muffler on Mercury Mountaineer?
A: To service the muffler, make sure that the vehicle is in neutral position on a hoist. Lift up the exhaust system and cut the muffler inlet pipe. Disassemble the muffler assembly attaching clamps and isolators. Installation To install the new assembly, connect the new assembly, clean up, and screw together to required torque. Check exhaust alignment.